MEDICAL ENCYCLOPEDIA. 1  Back pain - returning to work. 2  Back pain and sports. 3  Compression fractures of the back. 4  Lifting and bending the right way. 5  Lumbosacral spine x-ray. 6  Returning to sports after a back injury. 7  Spinal fusion. 8  Spinal fusion - slideshow. 9  Vertebroplasty - slideshow.
The mucociliary escalator is one of the major defense mechanisms, which protect the lung, and if the mucociliary escalator fails, it increases the risk that the normal and potentially pathogenic, inhabitants of the nose, throat and the back of the mouth, will descend into the lung, resulting in a potentially life-threatening pneumonia ( Anatomy and Physiology, 2013, p. 139).
The function of the esophagus is carry food and liquids from the mouth to the stomach. The esophagus is a muscular tube connecting from the throat, passing through a hole in the diaphragm, and connecting to the stomach.It is approximately 10 inches (25 cm) long.cience Videos. Science Main Index. The esophagus is a tube connecting from the throat to the stomach. It is sometimes called the gullet. Muscles of the esophagus contract in rhythmic waves, called peristalsis, that push the food along the esophagus downward into the stomach.